中和剂

neutralization agent的用法和样例：

例句

Crushing herbs or fruits in a glass with a muddler stick, often with some sugar or other condiment to act as a grinding agent.在玻璃杯里用捣碎棒捣糊草药或水果，往往加入一些糖或其他调味品磨和剂。

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2017CRI中国国际广播电台

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chemical diffusion